A block slides to the right on a horizontal surface at a constant speed of 3 m/s when pulled with a 12 N tension force, 60° above the horizontal as shown.  The power of the tension force exerted on the block is ____ W.

Q: A 1.0-Ω resistor is connected across a battery having an emf of 6 v. If the resistor has to…

A: When a cell is connected to a resistor R, the current flows through R from the positive terminal of…

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Q: In an experiment on standing waves, a string 51 cm long is attached to the prong of an electrically…

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Q: A car travels at a speed of 25m/s. How far does it travel in 5 second

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Q: When you apply increasing thermal energy to a certain material, it reaches a temperature of 50…

A: Assuming ideal situation.  Energy is not lost during the heat transfer.

Q: 0.40 kg 9. In FIGURE 5, a cumin canister of mass m = slides across a horizontal frictionlesscounter…

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Q: A horizontal aluminum rod 3.2 cm in diameter projects 7.6 cm from a wall. A 1100 kg object is…

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Q: The most common isotope of uranium 2U has a half-life of 4.47 x 10 years, decaying to 92 234 Th by a…

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Q: A rock is sitting on the ground. Which of the following best describes what you can do to the rock…

A: (a) 4th option is correct . Lift the rock . Explanation :- When we lift the rock it's…

Q: It takes 2.67 ms for the current in an LR circuit to increase from zero to 0.80 its maximum value.…

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Q: A cylindrical surface of radius 43 cm and length 2.4 m maintained at a temperature of 120°C is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: KINDLY ANSWER IMMEDIATELY, THANKYOU FOR HELPING OUT A battery charger supplies a current of 10 A to…

A: Given A battery charger supplies a current, I=10A open-circuit voltage, U=5.6V voltmeter connected…

Q: 63 In Fig. 33-60, light enters a 90° triangular prism at point P with inci- dent angle 0, and then…

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Q: An object of mass 2.0 kg tied to a string is spinning around in a circle with a radius of 1.0 m, at…

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Q: As part of a department store display, a model train D runs on a slight incline between the store's…

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Q: What is the time taken by a planet to sweep an area of 2 million square km if the time taken by the…

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Q: Find the position of the center of mass of a system consisting of three particles with the same mass…

A: Q. Given that Equilateral triangle of sides l with three particles of same mass m at its corners

Q: A device called a railgun uses the magnetic force on currents to launch projectiles at very high…

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Q: A truck of mass 5845 kg is travelling over a hill with a radius of curvature of 18.7 m, at a speed…

A: mass of truck (m) = 5845 kg radius of curvature (r) = 18.7 m speed (v) = 4.7 m/s

Q: An interval of one Celsius degree is equivalent to an interval of: O 5/9 kelvin one Fahrenheit…

A: Given data:  The difference in temperature = 1 °C Required: Difference in Celsius scale of 1 °C is…

Q: What temperature gradient must exist in an aluminum rod for it to transmit 8.0 cal per second per…

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Q: How much energy is required to of ice from 20°C to steam at 120°0 1 Specific heat capacity of ice is…

A: Heat requires to raise temperature = m c ΔT  Where c = specific heat  Heat requires to change the…

Q: Two streams merge to form a river. One stream has a width of 8.2 m, depth of 3.2 m, and current…

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Q: 7. Three point charges, A, B, and C, are positioned in free space as shown. Om ✓ 3 m 3 m 4 m A – 300…

A: qA = -300μC qB = 400 μCqC = 400 μC

Q: An important piece of landing equipment must be thrown to a ship, which is moving at a constant 5…

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Q: A 0.300-kg ice puck, moving east with a speed of 5.44 m/s, has a head-on collision with a 0.990-kg…

A: Mass of ice puck, mA = 0.3 kg Speed of ice puck before collision, vA = 5.44 m/s Mass of puck, mB =…

Q: Calculate the DOF (mobility). Show your accounting for L, J, Jz. Given: M-3(L-1)-2J₁-J₂ a) b)

A: (a) Number of links L= 7 Number of lower pairs J1= 7 Number of higher pairs J2= 0   DOF(Mobility) =…

Q: You shake a slinky continuously in an up and down fashion such that a transverse waves propagate…

A: Solution : Here, 5 peaks means 2.5 of wavelength separation between two peaks = (λ/2)

Q: How many kilojoules of energy does it take to completely vaporize 130 g of water into steam at 100…

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Q: According to kinetic theory of gases, the molecules move in O a. circular shape lines O b. parabolic…

A: 1) According to kinetic theory of gases, the molecules move in ____ between the collisions

Q: balloon is tied to the floor of a minivan. Currently, the balloon isn't going straight like normal…

A: According to our policy, we are answering only 1st question. Please post the next question as…

Q: ..54 Dispersion in a window pane. In Fig. 33-54, a beam of white light is incident at an- gle = 50°…

A: For a parallel slab, the incident and refracted light are parallel irrespective of the refractive…

Q: An increase in thermal energy leads to what? An increase in frictional forces on an object Ob A…

A: It is asked, "an increase in thermal energy leads to what"? Four options are given and we are…

Q: In order to measure the transfer of thermal energy from one temperature body to another, what device…

A: Explanation: A thermometer is an instrument that measures temperature (thermal energy).

Q: In order to draw air into your lungs, your diaphragm and other muscles contract, increasing the lung…

A: in this question we use equation of state of gas.

Q: The US auto industry produces approximately 6 million vehicles a year, each containing roughly 1.5…

A: in this question  we determine time to replicate the 2008 US -installed electric power rating.

Q: Problem 4: A rocket starts from rest at the origin. The rocket accelerates up an inclined plane of…

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Q: You push your 1,000 N car up a ramp that is 15 m long and forms an angle of 15 degrees above the…

A: Given data:  Weight of car (mg) = 1000 N Distance (d) = 15 m Angle (θ) = 15°, above the horizontal…

Q: An object can rotate but not exhibit no angular acceleration and no linear or translational…

A: Condition for equilibrium  For equilibrium net force as well as net torque acting on the system…

Q: Knowing the direction of heat flow, explain why if you leave a hot bowl of soup out in the open on…

A: In thermodynamics we have system and surroundings.  System is the area we are focus to study.…

Q: A wire carries a steady current of 2.20 A. A straight section of the wire is 0.750 m long and lies…

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Q: The potential in a given region of space varies with the distance according to the graph shown…

A: Electric field is the negative of slope of the potential.

Q: 42.. A 1200-kg car is moving at 20.0 m/s due north. A 1500-kg car is moving at 18.0 m/s due east.…

A: Given Mass of the two cars are m1=1200 kg and m2=1500 kg Velocity of the two cars are v1=20.0 m/s…

Q: An RCL circuit connected in series has R = 180 ohms, C = 1/280 farad, L = 20 henries, and an applied…

A: Given,  R = 180 ohms C = 1/280 farads L = 20 H E(t) = 10sin(t) Intial Current = 1 amp

Q: The figure shows the stress-strain curve for a material. The scale of the stress axis is set by s =…

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Q: You have two capacitors, one with capacitance 18.9 × 10-6 F and the other of unknown capacitance.…

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Q: Two streams merge to form a river. One stream has a width of 8.2 m, depth of 3.2 m, and current…

A: The volume of water flowing per second  = width×depth×speed So the volume of water flowing per…

Q: Determine the charge entering the element fro t = 0 to t = 2s if the current flowing through the…

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Q: An astronaut of mass 230 kg including his suit and jet pack wants to acquire a velocity of 2.2 m/s…

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Q: A ray of light crosses the boundary between some substance with n=1.48 and air, going from the…

A: When light travels from one transparent medium to another, at the surface of separation there is a…